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LTC3128IFE#PBF - Analog Devices

Description: Switching Voltage Regulators 3A Monolithic Buck-Boost Supercapacitor Charger and Balancer with Accurate Input Current Limit

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LTC3128IFE#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 24-Lead Plastic TSSOP
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LTC3128IFE#PBF Details

  • Manufacturer Part Number:

    LTC3128IFE#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    4.40 MM WIDTH, LEAD FREE, PLASTIC, TSSOP-24

  • Pin Count:

    24

  • Manufacturer Package Code:

    05-08-1771

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    OUTPUT VOLTAGE RANGE FROM 1.8 V TO 5.5 V

  • Analog IC - Other Type:

    SWITCHED CAPACITOR CONVERTER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    1.73 V

  • Input Voltage-Nom:

    3.3 V

  • JESD-30 Code:

    R-PDSO-G24

  • JESD-609 Code:

    e3

  • Length:

    7.8 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    9 A

  • Output Voltage-Max:

    5.5 V

  • Output Voltage-Min:

    1.8 V

  • Output Voltage-Nom:

    4.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Seated Height-Max:

    1.2 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    1400 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Width:

    4.4 mm

LTC3128IFE#PBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the VIN pin is 18V, but it's recommended to keep it below 15V for optimal performance and to prevent damage to the internal components.
  • To optimize the inductor selection, consider the following factors: inductance value, DC resistance, and saturation current. A good starting point is to choose an inductor with an inductance value between 1.5uH to 3.3uH, a DC resistance less than 100mΩ, and a saturation current greater than the peak current of the converter.
  • The RUN pin is an active-high enable input that allows the user to turn the converter on and off. To use it, simply tie the RUN pin to VIN through a resistor (e.g., 10kΩ) and connect a switch or a logic signal to the RUN pin to control the converter's operation.
  • The output voltage of the LTC3128 can be adjusted by changing the resistor divider network connected to the FB pin. Use the formula VOUT = 0.8V x (R1 + R2) / R2 to calculate the desired resistor values for the desired output voltage.
  • The maximum output current that the LTC3128 can deliver is 2A, but it's recommended to derate the output current based on the input voltage, output voltage, and ambient temperature to ensure reliable operation.

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About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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